#8718: Polynomial.apply_map()
---------------------------+------------------------------------------------
   Reporter:  mmezzarobba  |          Owner:  AlexGhitza                   
       Type:  enhancement  |         Status:  needs_review                 
   Priority:  minor        |      Milestone:  sage-5.0                     
  Component:  algebra      |       Keywords:  polynomial, map              
Work_issues:               |       Upstream:  N/A                          
   Reviewer:               |         Author:  Marc Mezzarobba, Julian Rueth
     Merged:               |   Dependencies:                               
---------------------------+------------------------------------------------
Changes (by newvalueoldvalue):

  * status:  needs_work => needs_review
  * milestone:  sage-wishlist => sage-5.0
  * author:  => Marc Mezzarobba, Julian Rueth


Comment:

 I agree that mapping 0 to non-zero should not be a part of
 map_coefficients().

 I rewrote the patch to only contain map_coefficients() for polynomial
 elements.

 Was there any reason for distinguishing between polynomial_element and
 polynomial_element_generic? I removed the distinction and it turned out
 that this implementation is even faster for the example polynomials.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8718#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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